Climate change may also mean more droughts and bushfires in Australia, which would force slow-moving koalas to leave their trees in search of water and safety.

Advertisement

The report also warned that koalas' cuddly fur coats were not ideal for a warming world: ''They do not cope well with extreme heat.''

As if climate change wasn't enough of a problem, the koala is struggling with habitat loss and the sexually transmitted disease chlamydia, which causes blindness, pneumonia and reproductive infections.

Despite the gloomy predictions, the koala is not considered endangered in Australia, although the Federal Government is concerned about populations declining in certain areas.

The other species to make it onto the list are the clownfish (that's Nemo), Antarctica's emperor penguins, staghorn corals (which are found in coral reefs around Australia), the beluga whale, the leatherback turtle, Africa's quiver tree, the ringed seal, the arctic fox and freshwater salmon.

It could be difficult to find Nemo in the future because the clownfish's coral reef habitat is under threat due to warmer seas, the group said.